SLVUC49 April   2021 TPS51396A

 

  1. 1Trademarks
  2. 2Introduction
  3. 3Performance Specification Summary
  4. 4Schematic and List of Materials
  5. 5Board Layout
  6. 6Bench Test Setup conditions
    1. 6.1 Headers Description and Jumper Placement.
    2. 6.2 Power-Up Procedure
  7. 7Test Waveform
    1. 7.1 Power Up
    2. 7.2 Power Down
    3. 7.3 Output Voltage Ripple
    4. 7.4 Load Transient
    5. 7.5 Thermal

7.1 Power Up

Figure 7-1 and Figure 7-2 show the start-up waveforms with 0-A and 8-A loading for the TPS51396AEVM board. The applied input voltage is 12 V. Once the EN is high, Vout ramps up.

GUID-50FAF5AF-5C40-4623-B366-11204BD971C0-low.gifFigure 7-1 Power Up with 0 A
GUID-B444568B-13A0-41EF-88B2-D3D2F78642C7-low.gifFigure 7-2 Power Up with 8 A